213085680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6991}}^1$

素因数の和:7134

約数の個数: 80

約数和(自身を含む): 665862144

約数和(自身を除く): 452776464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 6991, 7620, 10160, 13982, 15240, 20973, 27964, 30480, 34955, 41946, 55928, 69910, 83892, 104865, 111856, 139820, 167784, 209730, 279640, 335568, 419460, 559280, 838920, 887857, 1677840, 1775714, 2663571, 3551428, 4439285, 5327142, 7102856, 8878570, 10654284, 13317855, 14205712, 17757140, 21308568, 26635710, 35514280, 42617136, 53271420, 71028560, 106542840, 213085680]

約数ペア:

[(1, 213085680), (2, 106542840), (3, 71028560), (4, 53271420), (5, 42617136), (6, 35514280), (8, 26635710), (10, 21308568), (12, 17757140), (15, 14205712), (16, 13317855), (20, 10654284), (24, 8878570), (30, 7102856), (40, 5327142), (48, 4439285), (60, 3551428), (80, 2663571), (120, 1775714), (127, 1677840), (240, 887857), (254, 838920), (381, 559280), (508, 419460), (635, 335568), (762, 279640), (1016, 209730), (1270, 167784), (1524, 139820), (1905, 111856), (2032, 104865), (2540, 83892), (3048, 69910), (3810, 55928), (5080, 41946), (6096, 34955), (6991, 30480), (7620, 27964), (10160, 20973), (13982, 15240)]